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AET-Aframaxes get ammonia motors from WinGD

WinGD has received another order for its ammonia-powered X-DF-A engines for the world’s first ammonia-powered Aframax tankers.

The two vessels, ordered by Singapore-based ship owner and operator AET, will be built at Dalian Shipbuilding Industry (DSIC) with six-cylinder X62DF-A engines, the latest addition to WinGD’s clean-fuel engine portfolio. [ds_preview]

In July 2023, WinGD and AET signed an agreement to collaborate on technology development and crew training in partnership with the Malaysian Maritime Academy (ALAM) to prepare for the commissioning of ammonia-fueled vessels. WinGD has now received approvals in principle for its ammonia engines from four classification societies: Lloyd’s Register, Bureau Veritas, China Classification Society and ClassNK.

Sales Manager Volkmar Galke: “The first users of ammonia fuel signal confidence in the feasibility of both the fuel and the technology for its use. We have been working closely with AET since last year to realise this order. This order, supported by a number of AiPs for our safety concepts and fuel supply system design, demonstrates that WinGD is at the forefront of introducing carbon-free ammonia propulsion to the ocean-going fleet.”

WinGD already has several ammonia engines in its order book

The Swiss engine developer has already received orders for X52DF-A engines for ammonia vessels and X72DF-A engines for bulk carriers. The 52 and 72-bore variants will be delivered in 2025, followed by the 62-bore variant and other engine sizes from 2026, depending on market demand. This means that a wide range of ship types – from small tankers and car carriers to very large tankers – can be covered, it is said.

The engines operate on the diesel principle in both diesel and ammonia mode and have the same cylinder configurations and power ranges as the company’s diesel-powered X-engine series.


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Copyright: © AET

Caption: A 3D model of two of the world's first ammonia dual-fuel Aframax vessels built by Dalian Shipbuilding and owned by AET